1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Anettt [7]
2 years ago
15

PLZZZ HELP pictures down below

Mathematics
1 answer:
balu736 [363]2 years ago
5 0

Answer:

C

Step-by-step explanation:

We can multiply each equation by a constant so they'll equal either 15 or -15 since that is the LCM.

Since the answer choices want us to make the top a negative 15, we'll do that.

2x-5y=-21 \\ \\ 3(2x-5y)=(-21)*3 \\ \\ 6x-15y=-63

To make the y's cancel out, the second equation would have to have the y's coefficient equal 15.

Let's do that.

3x-3y=-18 \\ \\ -5(3x-3y)=(-18)*-5 \\ \\ -15x+15y=90

So the resulting equations are answer choice C.

You might be interested in
I will give u brianliest!
aleksley [76]

Answer:

a) 5.956x10^-24

b)8x10^29

8 0
3 years ago
Read 2 more answers
A culture of bacteria has an initial population of 92000 bacteria and doubles every 7 hours. Using the formula P_t = P_0\cdot 2^
ludmilkaskok [199]

Answer:

im here for the a

Step-by-step explanation:

8 0
3 years ago
Where is the point (-2 -3) located in the coordinate plane
labwork [276]

Answer:

It's located in the third quadrant

(X,Y)

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
The function h ( x ) = 1 x − 1 h ( x ) = 1 x - 1 can be expressed in the form f ( g ( x ) ) f ( g ( x ) ) , where g ( x ) = ( x
Radda [10]

Answer: f(x) = 1^(x + 1)

Step-by-step explanation:

we have that h(x) = 1^x

and h(x) = f(g(x))

This mean that we are evaluating the function f(y) in the point y = g(x)

where g(x) = x - 1

then:

f(g(x) = f(x - 1) = h(x) = 1^x

then we should have that:

f(x) = 1^(x + 1)

then:

f(x - 1) = 1^(x - 1 + 1) = 1^x

4 0
3 years ago
"what is the value of a in the equation 81^b=a^4b"
stira [4]
Solving for B = 0
Then We have A which is = 81 ^b
6 0
3 years ago
Other questions:
  • True or false <br><br> (Picture provided)
    6·2 answers
  • What is 35+[16-7+(3+5)]
    7·2 answers
  • Maani lai<br>1.8x = 4.68​
    10·1 answer
  • Lift pencil (10,7) graph
    10·1 answer
  • Please I need help with this
    14·2 answers
  • Which function decreases faster please help
    5·1 answer
  • If you are eligible to help can you help me please.!
    12·1 answer
  • WHAT IS X³-27 SIMPLIFIED
    11·1 answer
  • A calendar shop has 3,500 calendars. Each rack can hold 500 calendars. How many racks does the store need to use?
    6·2 answers
  • 5(m+2)-m=2m+3<br><br>Please I need help
    13·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!